MongoDB 'count()' is very slow. How do we refine/work around with it?

Question

I am currently using MongoDB with millions of data records. I discovered one thing that\'s pretty annoying.

When I use \'count()\' function with a small number of qu

Answer 1

You are pretty much out of luck for now, count in mongodb is awful and won't be getting better in the near future. See: https://jira.mongodb.org/browse/SERVER-1752

From experience, you should pretty much never use it unless it's a one time thing, something that occurs very rarely, or your database is pretty small.

As @Andrew Orsich stated, use counters whenever possible (the downfall to counters is the global write lock, but better than count() regardless).